what size domes

[Rebel3190]

Im gettin a pro design cool head and it comes with 18cc domes should i get some higher or lower?

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depends on what gas you plan on running , your elevation .

[Bansh-eman]

with your sig you dnt have much motor work done to the bike id go bigger then 18cc all your going to do is have to run higher octane and your obviosly not too concerned about racing or you would have more motor work done... smaller dome will up youur compression and give a lil bit more power but imo not enough to force you run run high octane everytime you go ou to ride. just my .02

[Rebel3190]

Im at sea level and i wanna drag some if that matters